×
carat vs. color  length*  width*
  ×

(or examine a )
* size in mm (optional)

1ct Peridot (Cabochon, 7.28×4.85mm, Yellowish Green) vs 1ct Sinhalite (Cabochon, 7.17×4.78mm, Light Brown)


Quick summary: When looked from above (face-up position), 1ct Peridot (7.28×4.85mm, cabochon cut) appears 3% larger than 1ct Sinhalite (7.17×4.78mm, cabochon cut). See below how they compare side-by-side on a ring and finger.

1ct Peridot (cabochon cut)
vs
 1ct Sinhalite (cabochon cut)
yellowish green
 
light brown
7.28×4.85 mm 7.17×4.78 mm
actual size
Actual size of 1ct Peridot (cabochon cut, 7.28×4.85mm, Yellowish Green color)   Actual size of 1ct Sinhalite (cabochon cut, 7.17×4.78mm, Light Brown color)
 
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Yellowish Green 1ct Peridot (cabochon cut, 7.28×4.85mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Light Brown 1ct Sinhalite (cabochon cut, 7.17×4.78mm) on a right ring and finger
Your settings
Ring
 Gold
Skin tone
 Light
Ring diameter
 16.9 mm
Ring width
 3.0 mm
Finger length
 64 mm
Finger coverage
 29% vs 29%
Saved...
Ring diameter: 16.9 mm
USA UK Asia EU1 EU2
Actual sizes of 1ct Peridot Cabochon (7.28×4.85mm, Yellowish Green) and 1ct Sinhalite Cabochon (7.17×4.78mm, Light Brown) as they would appear on a ring and finger. Adjust the ring and finger size to get an idea of how these gemstones would look on your finger.

Where to buy?

For certified gemstones, high-end gemstone jewelry, and birthstone jewelry, see Blue Nile

Face-up Size

All things being equal, Sinhalite will face-up smaller than Peridot for a given carat weight, because it has higher specific gravity (3.48 vs. 3.34 - this means it's "heavier" compared to Peridot of the same size). Face-up size also depends heavily on the proportions of the cut.

Face-up area is a measure of the size of the gem when viewed from above (as set in a ring). It tells you how big the gem is at the girdle plane.


1 Ct Peridot (Cabochon) 1 Ct Sinhalite (Cabochon)
7.28×4.85 mm vs 7.17×4.78 mm
28.95 mm²   28.1 mm²
Face-up size outline for 1ct Peridot (7.28×4.85mm, cabochon cut)
Face-up size outline for 1ct Sinhalite (7.17×4.78mm, cabochon cut)
1ct Peridot Cabochon (7.28×4.85mm)
1ct Sinhalite Cabochon (7.17×4.78mm)
Difference: 3% (0.85 mm²)
1ct Peridot (Cabochon, 7.28×4.85mm) has approx. 3% more face-up area than 1ct Sinhalite (Cabochon, 7.17×4.78mm).


Popular comparisons: